18616041

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 28569600

約数和(自身を除く): 9953559

約数列:

[1, 3, 9, 27, 61, 89, 127, 183, 267, 381, 549, 801, 1143, 1647, 2403, 3429, 5429, 7747, 11303, 16287, 23241, 33909, 48861, 69723, 101727, 146583, 209169, 305181, 689483, 2068449, 6205347, 18616041]

約数ペア:

[(1, 18616041), (3, 6205347), (9, 2068449), (27, 689483), (61, 305181), (89, 209169), (127, 146583), (183, 101727), (267, 69723), (381, 48861), (549, 33909), (801, 23241), (1143, 16287), (1647, 11303), (2403, 7747), (3429, 5429)]